13909495 has 8 divisors (see below), whose sum is σ = 16741584. Its totient is φ = 11094144.

The previous prime is 13909477. The next prime is 13909499. The reversal of 13909495 is 59490931.

13909495 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13909495 - 2⁷ = 13909367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13909499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (2092698).

Almost surely, 2^13909495 is an apocalyptic number.

13909495 is a deficient number, since it is larger than the sum of its proper divisors (2832089).

13909495 is an equidigital number, since it uses as much as digits as its factorization.

13909495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 13909495 is about 3729.5435377536. The cubic root of 13909495 is about 240.4937462625.

The spelling of 13909495 in words is "thirteen million, nine hundred nine thousand, four hundred ninety-five".